Question: who democratic republic for anthem of The Star-Spangled banner?
Paraphrase: who law based republic for song of devotion of The Star-Spangled banner?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P85 wd:Q44696 . ?sbj wdt:P31 wd:Q5255892 } 
Answer: United States of America